<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>修改图书</title>
  <link rel="stylesheet" href="css/bootstrap.min.css">
  <link rel="stylesheet" href="css/add.css">
</head>

<body>

<div class="container">
  <div class="form-inline">
    <h2 style="text-align: left; margin-left: 10px;"><svg xmlns="http://www.w3.org/2000/svg" width="40"
                                                          fill="#17a2b8" class="bi bi-book-half" viewBox="0 0 16 16">
      <path
              d="M8.5 2.687c.654-.689 1.782-.886 3.112-.752 1.234.124 2.503.523 3.388.893v9.923c-.918-.35-2.107-.692-3.287-.81-1.094-.111-2.278-.039-3.213.492V2.687zM8 1.783C7.015.936 5.587.81 4.287.94c-1.514.153-3.042.672-3.994 1.105A.5.5 0 0 0 0 2.5v11a.5.5 0 0 0 .707.455c.882-.4 2.303-.881 3.68-1.02 1.409-.142 2.59.087 3.223.877a.5.5 0 0 0 .78 0c.633-.79 1.814-1.019 3.222-.877 1.378.139 2.8.62 3.681 1.02A.5.5 0 0 0 16 13.5v-11a.5.5 0 0 0-.293-.455c-.952-.433-2.48-.952-3.994-1.105C10.413.809 8.985.936 8 1.783z" />
    </svg>
      <span>修改图书</span>
    </h2>
  </div>

  <form id="updateBook">
    <input type="hidden" class="form-control" id="bookId" name="id">
    <div class="form-group">
      <label for="bookName">图书名称:</label>
      <input type="text" class="form-control" id="bookName" name="bookName">
    </div>
    <div class="form-group">
      <label for="bookAuthor">图书作者</label>
      <input type="text" class="form-control" id="bookAuthor" name="author"/>
    </div>
    <div class="form-group">
      <label for="bookStock">图书库存</label>
      <input type="text" class="form-control" id="bookStock" name="count"/>
    </div>
    <div class="form-group">
      <label for="bookPrice">图书定价：</label>
      <input type="number" class="form-control" id="bookPrice" name="price">
    </div>
    <div class="form-group">
      <label for="bookPublisher">出版社</label>
      <input type="text" id="bookPublisher" class="form-control" name="publish"/>
    </div>
    <div class="form-group">
      <label for="bookStatus">图书状态</label>
      <select class="custom-select" id="bookStatus" name="status">
        <option value="1" selected>可借阅</option>
        <option value="2">不可借阅</option>
      </select>
    </div>
    <div class="form-group" style="text-align: right">
      <button type="button" class="btn btn-info btn-lg" onclick="update()">确定</button>
      <button type="button" class="btn btn-secondary btn-lg" onclick="javascript:history.back()">返回</button>
    </div>
  </form>
</div>
<script type="text/javascript" src="js/jquery.min.js"></script>
<script>
  BookInfo();
  function BookInfo() {
    $.ajax({
      type: "get",
      //location.search前端传给后端
      url: "/book/getmessage"+location.search,
      success: function (book) {
        if(book!=null) {
          $("#bookName").val(book.bookName);
          $("#bookAuthor").val(book.author);
          $("#bookStock").val(book.count);
          $("#bookPrice").val(book.price);
          $("#bookPublisher").val(book.publish);
          $("#bookStatus").val(book.status);
          $("#bookId").val(book.id);
        }else{
          console.log("返回图书信息失败");
        }
      }
    })
  }
  function update() {
    $.ajax({
      type:"put",
      url:"/book/getupdate",
      data:$("#updateBook").serialize(),
      success:function(data){
        if(data="更新图书成功"){
          alert("更新成功");
          location.href = "book_list.html";
        }else{
          alert("更新失败，请重试");
        }
      },
    })
  }
</script>
</body>

</html>